An answer setting up the violation of a foreign statute requiring brokers to take out a license was held insufficient to show that the petition was founded on a criminal offense, or that the broker's contract was void or prohibited by statute, averments to that effect being held mere incidents and deductions from the statute, and not allegations of facts. Angell v. Van Schinck, 9 N. Y. S. 568, 56 Hun, 247; Gibbons v. Williams, Moniser & Co., 191 I11. App. 594; Linton v. Johnson, 94 S. E. 945, - W. Va. Sup. - . Nor can an agent sued for an accounting set up the illegality of transaction from which the money was realized. Mechem on Ag., Sec. 526.